Powder mill, Waltham Abbey mb-artist Francis_Hawksworth Depicts an old woman standing

Depicts an old woman standing near the doorway

Figure 3 has been corrected

Plate 24 from The natural history of monkeys

Sri Lanka at Ballarat

Powder mill, Waltham Abbey mb-artist Francis_Hawksworth Depicts an old woman standingPlan for the water driven powder mill at Waltham Abbey, Essex, 1: 24 scale. From Smeaton volume 2, fol. 37. Powder mills were used in the manufacture of blackpowder, a type of gunpowder. Smeaton was contracted in 1767 by the mill's owner, Bouchier Walton, to design improved mills. The site was purchased by the Crown in 1787 to become one of three Royal Gunpowder Mills in the UK. Original: ink on paper. 1771